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|
#!/bin/sh
# PCP QA Test No. 1595
# Exercise Linux kernel virtual machine memory metrics.
#
# Copyright (c) 2024 Red Hat. All Rights Reserved.
#
seq=`basename $0`
echo "QA output created by $seq"
# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check
_check_valgrind
[ $PCP_PLATFORM = linux ] || _notrun "Tests Linux kernel memory metrics"
_cleanup()
{
cd $here
$sudo rm -rf $tmp $tmp.*
}
status=1 # failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15
_filter()
{
sed \
-e "s,$PCP_PMDAS_DIR,PCP_PMDAS_DIR,g" \
#end
}
# There is NO uninitialized value use at line 161 or 163 of
# sysfs_kernel.c ...
# valgrind on vm20 (x86_64 Ubuntu 20.04) complains circa
# 11 Sep 2024, but ONLY when the linux PMDA is compiled
# -O2, not -O0
#
cat <<'End-of-File' >$tmp.suppress
{
botch
Memcheck:Cond
fun:refresh_sysfs_kernel
fun:linux_refresh.isra.0
fun:linux_fetch
...
fun:__pmFetchLocal
fun:__pmFetch
...
}
End-of-File
grind_extra="--suppressions=$tmp.suppress"
# real QA test starts here
root=$tmp.root
export LINUX_STATSPATH=$root
export LINUX_PAGESIZE=4096
pmda="60,$PCP_PMDAS_DIR/linux/pmda_linux.so,linux_init"
memmetrics=`pminfo mem.vmmemctl hyperv.balloon | LC_COLLATE=POSIX sort`
for mem in $here/linux/sysfs-*-???
do
base=`basename $mem`
file=`echo $base | sed -e 's/^sysfs-//g' -e 's/-...$//g'`
rm -fr $root
mkdir -p $root/sys/kernel/debug || _fail "root in use when processing $mem"
cp $mem $root/sys/kernel/debug/$file
cd $root
echo "== Valgrind checking $file metric values and metadata - $base"
_run_valgrind pminfo -L -K clear -K add,$pmda -dfmtT $memmetrics 2>&1 \
| _filter
echo && echo "== done" && echo
cd $here
done
# success, all done
status=0
exit
|
